WO2017022849A1 - Mélangeur - Google Patents

Mélangeur Download PDF

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Publication number
WO2017022849A1
WO2017022849A1 PCT/JP2016/073084 JP2016073084W WO2017022849A1 WO 2017022849 A1 WO2017022849 A1 WO 2017022849A1 JP 2016073084 W JP2016073084 W JP 2016073084W WO 2017022849 A1 WO2017022849 A1 WO 2017022849A1
Authority
WO
WIPO (PCT)
Prior art keywords
electromagnetic wave
high voltage
voltage pulse
input terminal
output terminal
Prior art date
Application number
PCT/JP2016/073084
Other languages
English (en)
Japanese (ja)
Inventor
池田　裕二
誠士 神原
Original Assignee
イマジニアリング株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by イマジニアリング株式会社 filed Critical イマジニアリング株式会社
Priority to US15/750,552 priority Critical patent/US20190010911A1/en
Priority to EP16833128.8A priority patent/EP3333414A1/fr
Priority to JP2017533134A priority patent/JPWO2017022849A1/ja
Publication of WO2017022849A1 publication Critical patent/WO2017022849A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P23/00—Other ignition
    • F02P23/04—Other physical ignition means, e.g. using laser rays
    • F02P23/045—Other physical ignition means, e.g. using laser rays using electromagnetic microwaves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/40—Sparking plugs structurally combined with other devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/50—Sparking plugs having means for ionisation of gap
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/02—Arrangements for confining plasma by electric or magnetic fields; Arrangements for heating plasma
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/52—Generating plasma using exploding wires or spark gaps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/39—Selection of materials for electrodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
    • H05H1/461—Microwave discharges
    • H05H1/463—Microwave discharges using antennas or applicators
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H2242/00—Auxiliary systems
    • H05H2242/20—Power circuits
    • H05H2242/26—Matching networks

Definitions

  • the present invention relates to a mixer for supplying a discharge pulse voltage and electromagnetic waves to an ignition device of an internal combustion engine.
  • Ignition of the air-fuel mixture in an internal combustion engine is normally performed by spark discharge by an ignition plug, but the plasma generated by the spark discharge is irradiated with electromagnetic waves (microwaves), the volume of the plasma is increased, high EGR, Means have been proposed for realizing reliable ignition even in the case of lean burn (see Patent Document 1).
  • the technique described in Patent Document 1 includes a mixer that mixes pulse voltage energy and electromagnetic wave energy in the same transmission line.
  • the mixer 300 includes a first input terminal 310 to which an electromagnetic wave is input, a second input terminal 315 to which a pulse voltage is input, and a mixed output terminal 340 from which the pulse voltage and the electromagnetic wave are output.
  • the rod-shaped first conductive member 320 having one end electrically connected to the second input terminal 315 and the other end electrically connected to the inner conductor 340a of the mixed output terminal is spaced apart from the first conductive member 320.
  • a cylindrical second conductive member 321 disposed coaxially with the first conductive member 320 and electrically connected to the inner conductor 310a of the first input terminal 310, and spaced apart from the second conductive member 321.
  • the first conductive member 320 and the second conductive member 321 are accommodated, and are disposed coaxially with the first conductive member 320 and the second conductive member 321, and are disposed outside the outer conductor 310 b of the first input terminal 310 and the mixed output terminal 340.
  • Guidance Respectively and 340b and a third conductive member 330. cylindrical electrically connected.
  • the electromagnetic wave supplied from the first input terminal 310 configures the gap 322 between the second conductive member 320 and the third conductive member 330 as a resonator in a direction parallel to the axis (longitudinal direction). Impedance matching is performed, and the second conductive member 320 and the first conductive member 320 are joined by capacitive coupling so that electromagnetic waves are supplied to the spark plug SP via the first conductive member 320 through which a pulse voltage flows. . Further, leakage preventing means 320 (choke structure in the illustrated example) is disposed between the second input terminal 315 and the first conductive member 320 to prevent electromagnetic waves from leaking to the second input terminal 315 side. ing.
  • the mixer 300 since the mixer 300 has a coaxial resonance structure in the longitudinal direction of the mixer 300 and is configured to perform impedance matching, the longitudinal dimension of the entire device becomes long, and depending on the internal combustion engine to be attached, There has been a problem that there may be interference with a stay for joining with the engine frame and other devices.
  • the present invention has been made in view of such points, and an object of the present invention is to provide a mixer that can be installed even when the longitudinal dimension of the mixer is shortened and the installation space is small.
  • a high voltage pulse from a high voltage pulse generator and an electromagnetic wave from an electromagnetic wave oscillator are received at separate input terminals and supplied to an ignition device, Electromagnetic wave input terminal and high voltage pulse input terminal, High voltage pulse output terminal, Electromagnetic wave leakage preventing means disposed between the high voltage pulse input terminal and the high voltage pulse output terminal;
  • the mixer of the present invention adopts a resonance structure orthogonal to the axis (radial direction) instead of a coaxial resonance structure parallel to the axis (longitudinal direction), thereby shortening the longitudinal dimension of the resonator.
  • the mounting is possible even when the mounting space, particularly the longitudinal direction is narrow.
  • the impedance matching adjusting means may be a conductor whose length can be changed in the axial direction and / or the direction perpendicular to the axis existing inside the resonator.
  • the impedance matching adjusting means whose length can be changed in the axial direction and / or the direction perpendicular to the axis, the resonance frequency can be changed, and the passage characteristic of the electromagnetic wave can be adjusted.
  • the electromagnetic wave leakage prevention means can be a cylindrical body covering the high voltage pulse output terminal.
  • the electromagnetic wave leakage prevention means By configuring the electromagnetic wave leakage prevention means to have a choke shape so as to cover the high voltage pulse output terminal, it is possible to further increase the short dimension in the longitudinal direction.
  • the high voltage pulse input terminal, the high voltage pulse output terminal, the electromagnetic wave leakage prevention means and the insulator covering them can be configured to be detachable.
  • a spark plug cord special high tension cable
  • the electromagnetic wave leakage prevention means is configured to cover the high voltage pulse output terminal.
  • the mixer of the present invention can shorten the longitudinal dimension of the resonator by adopting a resonance structure orthogonal to the axis (radial direction). Furthermore, by configuring the electromagnetic wave leakage prevention means so as to cover the high voltage pulse output terminal, the longitudinal dimension of the resonator can be greatly shortened, and even when the installation space, particularly the longitudinal direction is narrow, Installation is possible.
  • FIG. It is a front view of the partial cross section which shows the mixer of Embodiment 1.
  • FIG. It is a front view of the partial cross section which shows the mixer of Embodiment 2.
  • the mixer of Embodiment 3 is shown, (a) The front view of a partial cross section, (b) is XX sectional drawing of (a).
  • Mixer Embodiment 1 is a mixer 1 according to the present invention.
  • the mixer 1 receives a high voltage pulse from a high voltage pulse generator P (also including a so-called ignition coil; the same applies hereinafter) and an electromagnetic wave from an electromagnetic wave oscillator MW at separate input terminals and supplies the ignition device with the high voltage pulse.
  • the electromagnetic wave input terminal 6, the high voltage pulse input terminal 5, the high voltage pulse output terminal 50, the high voltage pulse input terminal 5, and the high voltage pulse output terminal 50 are coaxial with both terminals.
  • Resonator comprising electromagnetic wave leakage preventing means 3 disposed on the substrate, an insulator 4 covering the electromagnetic wave leakage preventing means 3 and the high voltage pulse output terminal 50, and a cylindrical conductive member covering a part of the insulator 4. 2 (radial resonator). Then, the inner conductor 6a of the electromagnetic wave input terminal 6 is exposed in the annular space 20 inside the resonator 2 (in this embodiment, the conductor is exposed includes the case where the conductor is covered with an insulator. The same applies hereinafter. ) And impedance matching means 7 for matching the impedance of the supplied electromagnetic wave (usually 50 ⁇ when supplied by a coaxial cable) with the impedance of the spark plug SP.
  • the mixer 1 irradiates the plasma generated by the spark discharge by the spark plug SP to which the high voltage pulse from the high voltage pulse generator P is applied with electromagnetic waves (microwaves), thereby increasing the volume of the plasma, In order to realize reliable ignition even in the case of high EGR and lean burn, this is a device for supplying high voltage pulses and electromagnetic waves to the spark plug.
  • the mixer 1 exposes the inner conductor 6 a of the electromagnetic wave input terminal 6 to the annular space 20 inside the resonator 2 and supplies the electromagnetic wave to the inside of the resonator 2.
  • impedance matching is performed by the impedance matching means 7 disposed in the space 20, and the supplied electromagnetic wave is coupled to the inner conductor of the spark plug SP (usually the center electrode of the spark plug SP), and the tip of the spark plug SP (the ground electrode)
  • the discharge chamber is irradiated from the side facing the discharge electrode).
  • the resonator 2 is divided into a portion that forms an annular space 20 that is a resonance portion of an electromagnetic wave to be supplied, and a cylindrical portion in which the spark plug SP is inserted.
  • the tip of the cylindrical portion is grounded by contacting the housing portion of the spark plug SP, thereby preventing leakage of the supplied electromagnetic wave to the outside.
  • the impedance matching means 7 includes an electromagnetic wave input terminal 6 disposed on a disk-shaped top plate 21a of the radial resonator 2 forming an annular space 20 (annular in this embodiment). It arrange
  • a bolt 71 screwed into a screw hole formed in the bottom plate 21b, a nut 71a for fixing the bolt 71 to the bottom plate 21b, and a dielectric cap 71b covering the tip of the bolt 71 are configured.
  • the size and shape of the dielectric cap 71b are not particularly limited, and the dielectric cap 71b is configured as a disk-shaped member having substantially the same diameter as the outer diameter of the electromagnetic wave input terminal 6, and substantially the entire horizontal cross section of the annular space 20 is formed. It is also possible to have a shape that covers or a shape that covers a predetermined area of the horizontal section of the space 20.
  • the impedance matching is performed by adjusting the distance L between the electromagnetic wave input terminal 6 of the impedance matching means 7 and the surface of the dielectric cap 71b, and the supplied electromagnetic wave is coupled to the high voltage pulse output terminal 50, so that the ignition plug It is made to couple
  • the coupled electromagnetic wave flows also to the high voltage pulse input terminal 5 side
  • the electromagnetic wave leakage prevention means 3 disposed between the high voltage pulse input terminal 5 and the high voltage pulse output terminal 50 causes the electromagnetic wave leakage prevention means 3 to Prevents leakage upstream of the position.
  • the electromagnetic wave leakage prevention means 3 employs a bottomed cylindrical choke structure in which the input terminal side of the spark plug SP is opened, and the choke depth is 1 / It is configured to be 4 ⁇ .
  • the supplied electromagnetic wave is efficiently irradiated into the combustion chamber from the tip (discharge electrode facing the ground electrode) side of the spark plug SP.
  • the resonator 2 that forms the annular space 20 inside interferes with a stay for joining to the engine frame, other devices, and the like even in the case of an internal combustion engine in which the longitudinal dimension is restricted. It is preferable that D> 2 ⁇ H when the cylindrical outer diameter dimension D and the height dimension H are set so that the attachment can be performed without any problem.
  • the mixer 1 of the first embodiment can shorten the longitudinal dimension of the resonator by adopting a resonance structure orthogonal to the axis (radial direction).
  • Embodiment 2 Mixer
  • the mixer 1 of Embodiment 2 is the same as Embodiment 1 except for the arrangement positions of the impedance matching means 7 and the electromagnetic wave leakage prevention means 3 from Embodiment 1. Description is omitted.
  • the electromagnetic wave leakage prevention means 3 is configured to cover the high voltage pulse output terminal 50. More specifically, the electromagnetic wave leakage prevention means 3 is insulated between the high voltage pulse output terminal 50 and the input terminal of the spark plug SP in a state where the high voltage pulse output terminal 50 is joined to the input terminal of the spark plug SP.
  • a bottomed cylindrical choke structure in which the input terminal side of the spark plug SP is opened through the body is adopted. The choke depth is configured to be 1 ⁇ 4 ⁇ with respect to the wavelength ⁇ of the electromagnetic wave supplied as in the first embodiment.
  • the insulator portion of the spark plug SP is inserted into a portion that forms an annular space 20 that is a resonance portion of the electromagnetic wave to be supplied, and the cylindrical portion is a housing (engine head) of the spark plug. It is configured so as to contact only the hexagonal part for mounting.
  • the impedance matching means 7 of Embodiment 2 can be made into the cylindrical pipe 73 concentric with the cylindrical space 20, as shown in FIG.
  • the cylindrical pipe 73 has a length of ⁇ / 4 with respect to the wavelength ⁇ determined by the frequency of the electromagnetic wave to be supplied, and the first cylinder 73 is disposed so that one end is in contact with the top plate 21a.
  • a second cylindrical pipe 73b having a smaller diameter than the first cylindrical pipe 73a and having one end in contact with the bottom plate 21b.
  • the inner conductor 6a of the electromagnetic wave input terminal 6 is connected to the first cylindrical pipe 73a.
  • the connection position of the internal conductor 6a is not particularly limited, it is preferable that the connection position is in the vicinity of the open end of the first cylindrical pipe 73a as shown in the figure.
  • the impedance determined by the relative dielectric constant of the dielectric interposed between the inner conductor of the spark plug SP, the diameter ratio of the first cylindrical pipe 73 a and the second cylindrical pipe 73 b (in Equation 1) Z) shown is adjusted by a dielectric interposed between the diameters of the first cylindrical pipe 73a and the second cylindrical pipe 73b so as to increase the degree of coupling of the supplied electromagnetic waves.
  • Z log 10 (D / d) ⁇ 138 / ( ⁇ r) ⁇ 0.5 (Expression 1) Where d is the outer diameter of the inner conductor, D is the inner diameter of the outer conductor, and ⁇ r is the relative dielectric constant of the dielectric filled between the inner conductor and the outer conductor.
  • first cylindrical pipe 73a and the second cylindrical pipe 73b which are two coaxial resonators, and the supplied electromagnetic wave is the tip of the spark plug SP (discharge electrode facing the ground electrode). Irradiated into the combustion chamber from the side.
  • the top plate 21a of the resonator 2 can have a double structure.
  • the cylindrical pipe 21d is extended from the lower top plate 21a so as to cover the insulator 4, and a gap C is provided between the upper top plate 21a and the upper end of the cylindrical pipe 21d.
  • the space 20A sandwiched between the top plates 21a functions as a choke, and prevents leakage of electromagnetic waves to the high voltage pulse input terminal 5 side, similar to the electromagnetic wave leakage prevention means 3.
  • the space 20A is preferably impedance-matched by filling a dielectric such as a fluororesin or a PEEK material.
  • a slit S extending in the axial direction from the open end side toward the top plate 21a side can be formed on the peripheral surface of the first cylindrical pipe 73a.
  • the formation location and the number of the slits S are not particularly limited, but in this embodiment, four locations are formed evenly on the circumference as shown in the figure.
  • the slit S can also be formed in the second cylindrical pipe 73b.
  • the point of coaxial resonance is reduced, and the center conductor of the ignition plug SP is reduced.
  • the degree of coupling with can be increased.
  • the mixer 1 according to the first embodiment can perform optimum impedance matching according to the supplied electromagnetic wave because impedance matching is achieved by two coaxial resonators.
  • the mixer 1 of Embodiment 3 is the same as Embodiments 1 and 2 except that the impedance matching means 7 is different from Embodiments 1 and 2, and the description thereof is omitted.
  • the impedance matching means 7 of the third embodiment includes a cylindrical pipe 70 concentric with the cylindrical space 20, and a location where the cylindrical pipe 70 and the internal conductor 6 a of the electromagnetic wave input terminal 6 are connected. It is comprised from the cylindrical insulator 72 fitted in the notch part 70a provided in the position of a facing, and the electrically-conductive member 71 arrange
  • the cylindrical pipe 70 is a coupling pipe for coupling the supplied electromagnetic wave to the center conductor of the ignition plug SP, and is arranged so that one end thereof is in contact with the bottom plate 21b, like the second cylindrical pipe 73b of the second embodiment. It is installed.
  • the distance from the location where the internal conductor 6a is connected to the notch 70a provided at the facing position is 1 / 4 ⁇ with respect to the wavelength ⁇ of the electromagnetic wave to be supplied. It is configured so as to be an integral multiple so that a node portion of the electromagnetic wave supplied by a portion to which the internal conductor 6a is connected and an antinode portion of the electromagnetic wave supplied by the vicinity of the impedance matching means 7 are provided.
  • the cylindrical insulator 72 to be fitted into the notch 70a is not particularly limited.
  • a rectangular insulator for example, a fluororesin or PEEK material is used, It abuts on the top plate 21a.
  • the conductive member 71 that advances and retreats into the hole of the cylindrical insulator 72 is not particularly limited, but in this embodiment, a bolt that is fixed to the upper top plate 21a by a nut 71a is used. .
  • the impedance matching means 7 is connected to the upper end surface of the cylindrical pipe 70.
  • a capacitor is formed between the conductive member 71 and functions as a stub when it is below the upper end surface of the cylindrical pipe 70.
  • the supplied electromagnetic wave can be efficiently irradiated into the combustion chamber from the tip (discharge electrode opposite to the ground electrode) side of the spark plug SP.
  • the mixer 1 includes a cylindrical insulator that is fitted into a notch provided at a position facing the location where the internal conductor of the electromagnetic wave input terminal of the cylindrical pipe constituting the coaxial resonator is connected, and this Impedance matching means is configured by a conductive member disposed on a cylindrical insulator so as to be movable back and forth, and a pseudo capacitor and a stub are formed according to the position of the TEPCO member to adjust the impedance of the input electromagnetic wave in detail. it can.
  • the mixer 1 of Embodiment 4 includes a high voltage pulse input terminal 5, a high voltage pulse output terminal 50, an electromagnetic wave leakage prevention means 3, and an insulator 40 that covers them.
  • the impedance matching means 7 may be a cylindrical pipe 73 concentric with the annular space 20 as in the second embodiment.
  • the cylindrical pipe 73 has a length of ⁇ / 4 with respect to the wavelength ⁇ determined by the frequency of the electromagnetic wave to be supplied, and the first cylinder 73 is disposed so that one end is in contact with the top plate 21a.
  • the insulator 40 is electrically connected to a high voltage pulse input terminal 5 that receives a high voltage pulse from the high voltage pulse generator P and a high voltage pulse output terminal 50 that supplies a high voltage pulse to the input terminal of the spark plug SP. Connected.
  • the electromagnetic wave leakage prevention means 3 is configured to cover the high voltage pulse output terminal 50 as in the second embodiment. Hereinafter, these are collectively referred to as the input terminal 9.
  • a hole is formed in the center of the space 20 so that the spark plug SP and the input terminal 9 can be inserted through the center of the top plate 21a and the bottom plate 21b. And it inserts in the said hole of the insulator 40 (4) of the input terminal 9.
  • FIG. The portion of the insulator 4 that covers the high voltage pulse output terminal 50 and the electromagnetic wave leakage prevention means 3 is preferably configured to have a slightly larger diameter than the hole, and the material thereof is preferably a flexible material.
  • an insulator 41 (4) is disposed between the second cylindrical pipe 73 b and the input terminal 9.
  • the insulator 41 can be selected from various materials such as PEEK material, fluororesin, alumina, silicon nitride. It is possible to finely adjust the impedance matching means 7 by selecting a material having an optimum dielectric constant in accordance with the frequency of the supplied electromagnetic wave.
  • the input terminal 9 is provided with a spring in the internal conductive path, and is configured to be joined to the spark plug SP. Further, the high voltage pulse output terminal 50 is provided with an engagement ring that is eccentric from the shaft center and moves in a direction perpendicular to the shaft center, and is engaged with the step portion of the input terminal (Dalma terminal) of the spark plug SP. I try to let them. Further, although the high voltage pulse input terminal 5 is configured to be orthogonal to the axis of the spark plug SP, this is not restrictive.
  • the mixer 1 according to the fourth embodiment includes a resonator 2 and an input terminal 9 including a high voltage pulse input terminal 5, a high voltage pulse output terminal 50, an electromagnetic wave leakage prevention means 3, and an insulator 40 covering them. Therefore, the cost of the input terminal 9 can be reduced, for example, by changing the tip of the spark plug cord.
  • the mixer of the present invention can be suitably used not only for a general internal combustion engine but also for an internal combustion engine with a small margin around the engine head.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Spark Plugs (AREA)
  • Plasma Technology (AREA)

Abstract

L'invention aborde de problème de la réalisation d'un mélangeur dont les dimensions longitudinales ont été raccourcies de telle sorte que la fixation est possible même si un espace de fixation est étroit. Pour ce faire, l'invention réalise un mélangeur comprenant : une borne d'entrée d'onde électromagnétique (6) ; une borne d'entrée d'impulsion à haute tension (5) ; une borne de sortie d'impulsion à haute tension (50) ; un moyen de prévention de fuite d'ondes électromagnétiques (3) se trouvant entre borne d'entrée d'impulsion à haute tension (5) et la borne de sortie d'impulsion à haute tension (50) de façon à être coaxial avec les deux bornes ; un isolateur (4) qui recouvre le moyen de prévention de fuite d'ondes électromagnétiques (3) et la borne de sortie d'impulsion à haute tension (50) ; et un résonateur (2) comprenant un élément conducteur tubulaire qui recouvre une partie de l'isolateur (4), le résonateur (2) possédant à l'intérieur de celui-ci un espace en forme d'anneau (20) auquel est exposé un conducteur interne (6a) de la borne d'entrée d'onde électromagnétique (6) et dans lequel est disposé un moyen d'adaptation d'impédance.
PCT/JP2016/073084 2015-08-06 2016-08-05 Mélangeur WO2017022849A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US15/750,552 US20190010911A1 (en) 2015-08-06 2016-08-05 Mixer
EP16833128.8A EP3333414A1 (fr) 2015-08-06 2016-08-05 Mélangeur
JP2017533134A JPWO2017022849A1 (ja) 2015-08-06 2016-08-05 混合器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-156406 2015-08-06
JP2015156406 2015-08-06

Publications (1)

Publication Number Publication Date
WO2017022849A1 true WO2017022849A1 (fr) 2017-02-09

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Application Number Title Priority Date Filing Date
PCT/JP2016/073084 WO2017022849A1 (fr) 2015-08-06 2016-08-05 Mélangeur

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US (1) US20190010911A1 (fr)
EP (1) EP3333414A1 (fr)
JP (1) JPWO2017022849A1 (fr)
WO (1) WO2017022849A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011016569A1 (fr) * 2009-08-06 2011-02-10 イマジニアリング株式会社 Mélangeur, dispositif de réglage, unité d'allumage et générateur de plasma
WO2014203873A1 (fr) * 2013-06-18 2014-12-24 イマジニアリング株式会社 Bougie d'allumage et dispositif de génération de plasma

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011016569A1 (fr) * 2009-08-06 2011-02-10 イマジニアリング株式会社 Mélangeur, dispositif de réglage, unité d'allumage et générateur de plasma
WO2014203873A1 (fr) * 2013-06-18 2014-12-24 イマジニアリング株式会社 Bougie d'allumage et dispositif de génération de plasma

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EP3333414A1 (fr) 2018-06-13
JPWO2017022849A1 (ja) 2018-06-07
US20190010911A1 (en) 2019-01-10

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